Ứng dụng của sin^3x trong kỹ thuật robot và hệ thống tự động hóa.

y = sin x + cos x ⇒. 9. y = 4x + √1 − x ⇒. 10. y = (x + 1)/p5x2 + 35 ⇒. 11. y = x5 − x ⇒. 12. y = 6x + sin 3x ⇒. 13. y = x + 1/x ⇒. 14. y = x2 + 1/x ... x sin(3x) dx. 59. Z x2 ln x dx. 60. Z ex sin x dx. 61. Z cos2 x dx. Use ... x sin(3x) dx = -. 1. 3 x cos(3x) +. 1. 9 sin(3x) + C. 59. Z x2 ln x dx = 1. 3 x3 ... = !e2X sin 3x + ~e2X cos 3x - if e2x cos 3x dx. 3. 9. 9. => (1 + ~) f e2x cos 3x dx = ~e2X sin 3x + ~e2X cos 3x f e2x. => e2x cos 3x dx = 13(3 sin 3x + 2 cos 3x) ... Sep 9, 2014 ... In this problem, y = c1 cos 3x + c2 sin 3x is a two parameter family of solutions of the second-order DE y?? + 9y = 0. Dec 12, 2019 ... 3x²-3x+sin(3x) x+o 3 cos(2x)+3x-3ex. 3+3 cos (3x). -6 sin(2x) +3-3ex lim 6-9 sin (3x). X70. -12 cos(2x)-30x care. 6. 15. ". ... sin(3x)dx. (f). ∫ 2. 1 x3 lnx dx. Hint: Try integration by parts. 2. Compute ... sin(3x) + C. (f) Integration by parts. Answer: ∫ 2. 1 x3 lnx dx = 1. 4 x4 ... Jun 4, 2022 ... This is obvious if you calculate it a few times. Since you have 3x instead of x, it is three times further away from zero than x, so to ensure ... May 28, 2024 ... 3x° = 90° - (2x + 45)° ⇒ 3x° = 90° - 2x° - 45° ⇒ 5x° = 45° ⇒ x = 9° ∴ The value of x is 9 Nov 17, 2020 ... The formula for sin 3x is 4 sin x sin(60°-x)sin(60° + X). Upvote ·. 91. Profile photo ... \begin{equation} I = \int \frac{1}{\sin\left(3x\right)}\:dx \end{equation} Let u = 3x to yield: \begin{equation} I = \int \frac{1}{\sin\left(3x\right)}dx = \int ...